Monday
Sep052011

Tutorial 17: How to extract a 3D detail from a sculpture and use as tileable 3D texture?

This tutorial is a quick refresh of our previous tutorials. It's now applied on how to use sand sculptures and the tileable mode in Photosculpt creatively. Please refer to our previous posts for the details of each function?

Final image is here:

2 source image copyright Chris Botha from the 3DCADJewelry pro forum (download with subscriptor access only)

Thursday
Feb032011

Tutorial 16: How to Create a Jewelry Medallion from 2 Photos?

Saturday
Jan292011

Tutorial 15: How To Setup a Texture with Displacement with Vue Frontier?

In this tutorial I will show how to setup a 3D texture in Vue Frontier 8.

Vue is a 3D software that excels in creating beautifull landscapes used in many many films in the industry. (Avatar, Pirats of the Caraibic, ...)

From a 3D artist stand point it's also a very good renderer for (displaced) water surfaces and volumetric clouds using GI (Global Illumination).

For this Tutorial you need a seamless tileable 3D texture with diffuse map and displacement map. I used this tree bark texture on the right, it's available on my web site (from Eur 5.99). But you can also use any of my free textures 10 pack available for download on my web site too.

The texture itself was created with my new photogrammetry software Photosculpt Textures. It was based from 2 photos of the same subject and Photosculpt "merged the photos in 3D". It's fast and easy to make your own today. Don't hesitate to try the 30 day demo. (full license from Eur 99). It's a very good tool to create beautifull 3D textures or 3D models with plenty of features like diffuse, displacement, bump, normal, specular, ao, seamless tileable, square crop, 2^n size, ...

Material Setup

First create or load your scene or just create a basic sphere in an empty scene. Select your object you want to apply a 3D texture to then double click on the material panel (top right material sphere icon) and create a new material.

In Vue the displacement tab is only accessible in the "Advanced Material Editor". So let's directly start with this mode by clicking on the corresponding icon.

First click on the "Color and Alpha" tab and open the Photosculpt diffuse image. I've also changed a few settings as displayed in yellow.

Second, click on the "Bump" tab. This tab is different than the previous one and it doesn't let you open the image directly. This not a problem though as you can do it by accessing the node editor. For this you can right click on the sphere bump preview and select "Edit Function".

This opens the node editor below. First add a new Texture with the icon "Add texture map node" and connect it to both "Bump" and "Displacement".

You can then apply the individual settings below to your image.

Vue let you also use 2 different images for Bump and Displacement independently. This is of course possible with Photosculpt as it creates beatifull bumps maps. Here I used the Photosculpt displacement map as bump map with very good results and it saves memory too not to have multiple textures.

 Once this is done you can go back to the "Bump" tab and finalise the displacement parameters in the "Advanced material editor"

  • Check "displacement mapping" to turn on the displacement effect.
  • The most important parameter to me is "depth" as it drives the scale of the displacement effect.

Voila, your material is set up. You can click ok and lauch a render now.

Conclusion

This tutorial is showing how to use the "advanced material editor" for setting up a 3D texture with displacement map (I recommend Photosculpt Textures for photorealistic results) in Vue.

I'm new to this soft, so don't hesitate to comment or improve on this tutorial?

Best regards.

Wednesday
Jan262011

Tutorial 14 : How to Setup Photorealistic 3D Textures in Carrara

Hi! This Tutorial will guide you through seting-up photoreal textures on the default scene cubes in Carrara.

First open the folowing default scene in folder "Global Illumination" then "SunSet"

We want to convert this basic geometries into a photoreal textured object.

For this you can use any 3D texture available but I highly recommend textures created with the software PhotoSculpt Textures (click to see why Photosculpt Textures is different). You can choose any of the 10 free samples in my download page, or create your own today with the 30-day trial of Photosculpt Textures.

Most 3D Textures are composed of image files called maps. They have different names, like diffuse map, specular map, displacement map, normal map or bump maps are used in most 3D software package. Click here for more info about what they do.

For this Tutorial I've used the following (payware) textures sets (from Eur 5.99)

In Carrara, setting a "shader" is done like this:

Color :

Normal maps are not used in this version of Carrara. I've seen on the web that this feature has been added later on. But for now I obtained good results with the normal map in the emboss channel.

Shininess to the maximum value 1.0

Displacement setting: check "active subdivision" and "displace in 3D view" for comfort

Return to 3D view to control that displacement is working for you

You're all set now with this material. You can apply the same method for all 3 objects with different materials. When finished you can now click render to launch a render.


Sunday
Nov072010

Tutorial 13: How to Sculpt a Continuously Patterned Texture with Blender 2.5 ?

In the new version of Blender 2.5 the sculpting tool has been improved (in speed and functionallity) and it includes this handy tiled mode.

While this function does a very good job in itself, the most difficult part for digital sculptors is actually to create a good seamless tileable displacement map (or depth map) to make it work.

This can now be done very efficiently with my new software Photosculpt Textures. This new app creates superb displacement maps with a lot of depth detail based on the analysis of 2 photos of the same subject. It really acts like a 3D scanner, it's quick, fast, works with any camera and never require calibration. Also, your maps can be set instantly tileable in one click and there is a full featured 30-day trial. (Purchase from Eur 99.00, free for schools and non-profits)

I'm showing below how to use one of my free seamless tileable displacement map with Blender 2.5

Once the displacement map is done, the setting in Blender (or any other sculpting software) is easy.

Follow this screen below and follow the settings in yellow to setup your sculpting tool:

Conclusion:

Now you can use any texture you see in real world as a continuously patterned sculpting tool in Blender

Don't hesitate to comment / improve this tutorial ?

back to tutorials